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Contract OI history

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Dec 18, 2026 EXPIRATION

DAL $55.00 Put

DAL261218P00055000

Latest saved OI2,420Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DAL $55.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,4201,2100 2026-10-02: 2,406 OI2026-10-05: 2,406 OI2026-10-06: 2,407 OI2026-10-07: 2,405 OI2026-10-08: 2,405 OI2026-10-09: 2,406 OI2026-10-13: 2,406 OI2026-10-14: 2,406 OI2026-10-15: 2,406 OI2026-10-16: 2,406 OI2026-10-21: 2,420 OI2026-10-23: 2,420 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

DAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,4200
Oct 21, 20262,420+14
Oct 16, 20262,4060
Oct 15, 20262,4060
Oct 14, 20262,4060
Oct 13, 20262,4060
Oct 09, 20262,406+1
Oct 08, 20262,4050
Oct 07, 20262,405-2
Oct 06, 20262,407+1
Oct 05, 20262,4060
Oct 02, 20262,406No prior observation